namespace Unosquare.Swan
{
    using System.Text;

    /// <summary>
    /// Contains useful constants and definitions.
    /// </summary>
    public static partial class Definitions
    {
        /// <summary>
        /// The MS Windows codepage 1252 encoding used in some legacy scenarios
        /// such as default CSV text encoding from Excel.
        /// </summary>
        public static readonly Encoding Windows1252Encoding;

        /// <summary>
        /// The encoding associated with the default ANSI code page in the operating 
        /// system's regional and language settings.
        /// </summary>
        public static readonly Encoding CurrentAnsiEncoding;

        /// <summary>
        /// Initializes the <see cref="Definitions"/> class.
        /// </summary>
        static Definitions()
        {
            CurrentAnsiEncoding = Encoding.GetEncoding(default(int));
            try
            {
                Windows1252Encoding = Encoding.GetEncoding(1252);
            }
            catch
            {
                // ignore, the codepage is not available use default
                Windows1252Encoding = CurrentAnsiEncoding;
            }
        }
    }
}